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Galactic Ribbon Unfurled: An extraordinary ribbon of hot gas trailing behind a galaxy like a tail has been discovered using data from our Chandra X-ray Observatory. This ribbon, or X-ray tail, is likely due to gas stripped from the galaxy as it moves through a vast cloud of hot intergalactic gas. With a length of at least 250,000 light years, it is likely the largest such tail ever detected. In this new composite image, X-rays from Chandra (blue) have been combined with data in visible light from the Isaac Newton Group of Telescopes (yellow) in the Canary Islands, Spain. The tail is located almost 700 million light years from Earth. The length of the tail is more than twice the diameter of the entire Milky Way galaxy. The tail contains gas at temperatures of about ten million degrees, about twenty million degrees cooler than the intergalactic gas, but still hot enough to glow brightly in X-rays that Chandra can detect. Image credit: X-ray: NASA/CXC/University of Bonn/G. Schellenberger et al; Optical: INT #nasa #chandra #space #galaxy #space #nasabeyond #universe #astronomy #science; -
Successful Spacewalk Today: NASA astronauts Scott Kelly (@stationcdrkelly) and Tim Kopra ended their spacewalk at 11:01 a.m. EST after accomplishing all objectives. They released brake handles on crew equipment carts on either side of the space station's mobile transporter rail car so it could be latched in place ahead of Wednesday's docking of a Russian cargo resupply spacecraft. The ISS Progress 62 resupply mission launched at 3:44 a.m. EST this morning (2:44 p.m. Baikonur time) from the Baikonur Cosmodrome in Kazakhstan. Kelly posted this photo and wrote, "Fix was pretty easy, but the rest always a challenge. With great team on earth we got it done safely." Image Credit: NASA #nasa #spacewalk #iss #spacestation #yearinspace #earth #repair #progress #spacecraft #timkopra #space; -
The Hubble Space Telescope checks out globular cluster Terzan 1, a home for old stars. Lying around 20,000 light-years from us in the constellation of Scorpius (The Scorpion), it is one of about 150 globular clusters belonging to our galaxy, the Milky Way. Typical globular clusters are collections of around a hundred thousand stars, held together by their mutual gravitational attraction in a spherical shape a few hundred light-years across. They contain some of the oldest stars in a galaxy, hence the reddish colors of the stars in this image — the bright blue ones are foreground stars, not part of the cluster. The ages of the stars in the globular cluster tell us that they were formed during the early stages of galaxy formation! Studying them can also help us to understand how galaxies formed. Image credit: NASA & ESA, Acknowledgement: Judy Schmidt #nasa #hubble #stars #universe #astronomy #science; -
The most massive black holes in the universe are often encircled by thick, doughnut-shaped disks of gas and dust. This deep-space doughnut material ultimately feeds and nourishes the growing black holes tucked inside. Until recently, telescopes weren't able to penetrate some of these doughnuts, also known as tori. With its X-ray vision, NuSTAR recently peered inside one of the densest of these doughnuts known to surround a supermassive black hole. This black hole lies at the center of a well-studied spiral galaxy called NGC 1068, located 47 million light-years away in the Cetus constellation. The observations revealed a clumpy, cosmic doughnut. Image credit: NASA/JPL-Caltech #nasa #space #donut #galaxy #blackhole #science #astronomy; -
Our Lunar Reconnaissance Orbiter recently captured a unique view of Earth from the spacecraft's vantage point in orbit around the moon. Seen in this composite image, we see Earth appear to rise over the lunar horizon from the viewpoint of the spacecraft, with the center of the Earth just off the coast of Liberia. On the moon, we get a glimpse of the crater Compton, which is located just beyond the eastern limb of the moon, on the lunar farside. LRO was launched on June 18, 2009, and has collected a treasure trove of data with its seven powerful instruments, making an invaluable contribution to our knowledge about the moon. LRO experiences 12 earthrises every day; however the spacecraft is almost always busy imaging the lunar surface so only rarely does an opportunity arise such that its camera instrument can capture a view of Earth. Image credit: NASA/Goddard/Arizona State University #nasa #space #moon #earth #science #astronomy #lro #lunar #earthrise;
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Our Hubble Space telescope found what looks like a cosmic, double-bladed lightsaber just in time for the release of #StarWars. This celestial lightsaber does not lie in a galaxy far, far away, but rather inside our home galaxy, the Milky Way. In the center of the image, partially obscured by a dark, Jedi-like cloak of dust, a newborn star shoots twin jets out into space as a sort of birth announcement to the universe. This is inside a turbulent birthing ground for new stars known as the Orion B molecular cloud complex, located 1,350 light-years away. Credit: NASA/ESA #nasa #space #hubble #science #astronomy #telescope; -
Like a cosmic bull's-eye, Saturn's moons Enceladus and Tethys line up almost perfectly for the Cassini spacecraft cameras. Since the two moons are not only aligned, but also at relatively similar distances from Cassini, the apparent sizes in this image are a good approximation of the relative sizes of Enceladus (313 miles or 504 kilometers across) and Tethys (660 miles or 1,062 kilometers across). This view looks toward the unilluminated side of the rings from 0.34 degrees below the ring plane. The image was taken in red light with the Cassini spacecraft narrow-angle camera on Sept. 24, 2015. Credit: NASA/JPL-Caltech/Space Science Institute #nasa #space #saturn #moon #cassini #cassinisaturn #tethys #enceladus; -
The Soyuz spacecraft launched from the Baikonur Cosmodrome in Kazakhstan to the International Space Station (@ISS) at 6:03 a.m. EST Tuesday (5:03 p.m. in Baikonur). Tim Kopra of NASA, Tim Peake of ESA (European Space Agency), and Yuri Malenchenko of Roscosmos are now safely in orbit. Malenchenko, Kopra, and Peake will spend the next six-months living and working aboard the International Space Station. Photo Credit: NASA/Joel Kowsky #nasa #space #soyuz #spacestation @iss #rocket #rocketlaunch #launch; -
Want to be an astronaut? We are now accepting applications for the next generation of explorers! Recently named the best place to work in the federal government for the fourth year in a row, NASA is looking for the best candidates to work in the best job on or off the planet. The astronaut candidate application website is live and accepting submissions through Feb. 18. Apply today at USAJobs.gov using the search term “astronaut”. #BeAnAstronaut #goals #Reachforthestars #dreambig #astronaut #NASA #space #dreamjob #science #astronomy; -
The spiral galaxy NGC 7252 has a superficial resemblance to an atomic nucleus surrounded by the loops of electronic orbits, and was informally dubbed the "Atoms for Peace" galaxy. These loops are well visible in a wider field of view image. This nickname is quite ironic, as the galaxy’s past was anything but peaceful. Its peculiar appearance is the result of a collision between two galaxies that took place about a billion years ago, which ripped both galaxies apart. The loop-like outer structures, likely made up of dust and stars flung outwards by the crash, but recalling orbiting electrons in an atom, are partly responsible for the galaxy’s nickname. Image credit: NASA & ESA, Acknowledgements: Judy Schmidt #nasa #space #hubble #galaxy #spiralgalaxy #universe #astronomy #science;
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NASA Armstrong's F-15D Eagle #897 flies as a chase vehicle for NASA's DC-8 flying laboratory on the Olympic Mountain Experiment (OLYMPEX) science mission. The OLYMPEX team of NASA and university scientists are taking to the field from Nov. 10 to Dec. 21, studying wet winter weather near Seattle, Washington to verify rain and snowfall observations made by the Global Precipitation Measurement (GPM) satellite mission. NASA currently flies an F-15D Eagle aircraft for research support and pilot proficiency. Research support aircraft are commonly called chase planes and fill the role of escort aircraft during research missions. Chase pilots are in constant radio contact with research pilots and serve as an "extra set of eyes" to help maintain total flight safety during specific tests and maneuvers. They monitor certain events for the research pilot and are an important safety feature on all research missions. Chase aircraft also are used as camera platforms for research missions that must be photographed or videotaped. Aeronautical engineers use these photos and video extensively to monitor and verify various aspects of research projects. The F-15D is also used by research pilots for routine flight training required by all NASA pilots. Image Credit: NASA/Ken Ulbrich #nasa #flyNASA #avgeek #aviation #f15 #f15d #airplane #plane #aircraft; -
Commander Scott Kelly (@StationCDRKelly) of NASA captured this image from aboard the International Space Station (@ISS), of the Dec. 11, 2015 undocking and departure of the Soyuz carrying home crew members Kjell Lindgren of NASA (@Astro_Kjell), Oleg Kononenko of the Russian Federal Space Agency and Kimiya Yui of the Japan Aerospace Exploration Agency (JAXA) after their 141-day mission on the orbital laboratory. They landed safely in Kazakhstan at approximately 8:12 a.m. EST (7:12 p.m. Kazakhstan time). While on station, the crew members participated in Earth observations and conducted research in the areas of physical, biological and molecular science to advance knowledge and demonstrate new technologies. Such investigations enable research breakthroughs and drive technology innovations that provide benefits on Earth, and will enable long-duration human and robotic exploration missions into deep space. Image Credit: NASA #nasa #space #soyuz #iss #spacestation; -
Three International Space Station (@ISS) crew members are returning to Earth today after 141 days in space. Flight Engineers Kjell Lindgren of NASA; Oleg Kononenko of Roscosmos, the Russian Federal Space Agency; and Kimiya Yui of the Japan Aerospace Exploration Agency (JAXA) will land in their Soyuz spacecraft at 8:12 a.m. EST in Kazakhstan. Prior to undocking from the station at 4:49 a.m. EST, Astronaut Kjell Lindgren shared this image of a trio of crewmates inside their Soyuz saying "All loaded up! Farewell to our Exp 45 crewmates and the magnificent International Space Station! Hello Earth!!" Image credit: NASA #nasa #space #spacestation #soyuz #astronaut #astronauts; -
This enhanced color mosaic combines some of the sharpest views of Pluto that NASA’s New Horizons spacecraft obtained during its July 14 flyby. The pictures are part of a sequence taken near New Horizons’ closest approach to Pluto, with resolutions of about 250-280 feet (77-85 meters) per pixel – revealing features smaller than half a city block on Pluto’s surface. Lower resolution color data (at about 2,066 feet, or 630 meters, per pixel) were added to create this new image. The images form a strip 50 miles (80 kilometers) wide, trending (top to bottom) from the edge of “badlands” northwest of the informally named Sputnik Planum, across the al-Idrisi mountains, onto the shoreline of Pluto’s “heart” feature, and just into its icy plains. The wide variety of cratered, mountainous and glacial terrains seen here gives scientists and the public alike a breathtaking, super-high-resolution color window into Pluto’s geology. Credit: NASA/JHUAPL/SwRI #nasa #space #pluto #solarsystem #newhorizons; -
Dwarf planet Ceres is shown in these images from NASA’s Dawn spacecraft that create a movie of Ceres rotating. Ceres reveals some of its well-kept secrets in two new studies in the journal Nature, thanks to data from Dawn. They include highly anticipated insights about mysterious bright features found all over the dwarf planet's surface. In one study, scientists identify this bright material as a kind of salt. The second study suggests the detection of ammonia-rich clays, raising questions about how Ceres formed. These images are false-color renderings, which highlight differences in surface materials. Video credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA #nasa #space #nasadawn #dwarfplanet #solarsystem #ceres;
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